administration's call with the external pressure, constantly hovering out there, the talk about a red line. when is the united states going to get serious about the second track? i am one of these people who believe there is an agreement out there that can be reached, and that would lead delay on nuclear-weapons iran. but i think the diplomacy has to be stepped up. jack's point about a republican conservative able to achieve agreement of this sort that are more difficult for a democrat is a very important one. no matter what kind of agreement if there is an agreement reached with iran, it is going to be attacked by a lot of constituents but many of them are republicans. >> i could give examples when a democratic president reach major agreements. >> regarding iran, in any situation, you have windows of opportunity. there are other times when the personalities make it simply impossible. we should not have negotiated with hitler. it would not have helped in the 1930s. the thing is as far as iran is concerned, there are lessons, and one is the time to negotiate with iran was when they had